agenttesla | e4a1b42efdf45cc9911f4f198aeb981e14043ea23c500cf1e3fa0bb3160948fd

Analysis

max time kernel
94s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2024 13:50

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General

Target

Payment invoices 023578,103543,82471.exe
Size

77.0MB
MD5

9548a109a0ad6920b1844cfc74859c60
SHA1

bb0642abef9db570cb20173295a4483e891f38ef
SHA256

eb68b23f8d820ce3f7d29fe1313ff9a30a4dd1b6d2585ddde6d2a5822da39e9c
SHA512

2519b251f9f6b79fab849c3dd6baed76d0f83ac6ca6ee1550f431251d657628f8ec749638ae1de6f418f7f45d58c70b8ce6a4146525e2d0361b00a212e77becd
SSDEEP

24576:o4lavt0LkLL9IMixoEgeaZGdpR/wzLvsq9MmCS:/kwkn9IMHeaZ9zAaPCS

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.flujoauditorias.cl
Port:
587
Username:
[email protected]
Password:
l;0jGu7J;z_a

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.flujoauditorias.cl
Port:
587
Username:
[email protected]
Password:
l;0jGu7J;z_a
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
12	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4564 set thread context of 5004	4564	Payment invoices 023578,103543,82471.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment invoices 023578,103543,82471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5004	RegSvcs.exe
5004	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4564	Payment invoices 023578,103543,82471.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5004	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4564	Payment invoices 023578,103543,82471.exe
4564	Payment invoices 023578,103543,82471.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4564	Payment invoices 023578,103543,82471.exe
4564	Payment invoices 023578,103543,82471.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 5004	4564	Payment invoices 023578,103543,82471.exe	86
PID 4564 wrote to memory of 5004	4564	Payment invoices 023578,103543,82471.exe	86
PID 4564 wrote to memory of 5004	4564	Payment invoices 023578,103543,82471.exe	86
PID 4564 wrote to memory of 5004	4564	Payment invoices 023578,103543,82471.exe	86

C:\Users\Admin\AppData\Local\Temp\Payment invoices 023578,103543,82471.exe
"C:\Users\Admin\AppData\Local\Temp\Payment invoices 023578,103543,82471.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment invoices 023578,103543,82471.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4564-5-0x00000000022E0000-0x00000000022E4000-memory.dmp

Filesize
16KB

Download
memory/5004-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/5004-7-0x00000000737EE000-0x00000000737EF000-memory.dmp

Filesize
4KB

Download
memory/5004-8-0x00000000058E0000-0x0000000005E84000-memory.dmp

Filesize
5.6MB

Download
memory/5004-9-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/5004-10-0x00000000737E0000-0x0000000073F90000-memory.dmp

Filesize
7.7MB

Download
memory/5004-11-0x00000000065E0000-0x0000000006630000-memory.dmp

Filesize
320KB

Download
memory/5004-12-0x00000000066D0000-0x000000000676C000-memory.dmp

Filesize
624KB

Download
memory/5004-13-0x0000000006810000-0x00000000068A2000-memory.dmp

Filesize
584KB

Download
memory/5004-14-0x0000000006780000-0x000000000678A000-memory.dmp

Filesize
40KB

Download
memory/5004-15-0x00000000737EE000-0x00000000737EF000-memory.dmp

Filesize
4KB

Download
memory/5004-16-0x00000000737E0000-0x0000000073F90000-memory.dmp

Filesize
7.7MB

Download